Date: Wed, 3 Feb 2010 12:02:44 -0600 From: Brandon Gooch <jamesbrandongooch@gmail.com> To: Giovanni Trematerra <giovanni.trematerra@gmail.com> Cc: Attilio Rao <attilio@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, Randall Stewart <rrs@lakerest.net> Subject: Re: A strange thing with yesterday's head.. Message-ID: <179b97fb1002031002g617aee35uec79e3367b2ff7a5@mail.gmail.com> In-Reply-To: <4e6cba831002022320u2bd5f325m6564556a1abcf4c5@mail.gmail.com> References: <B4F940BE-04BD-4ACC-B686-21D61423D236@lakerest.net> <20100128201520.6a114290@ernst.jennejohn.org> <117532D7-75B9-4BE8-A8B6-0A6761064B92@lakerest.net> <4e6cba831001290744m6067691ct489c61fe9cd28502@mail.gmail.com> <179b97fb1001291212p5b0829f2pea28ab36a85751cf@mail.gmail.com> <4e6cba831002011404h1b6b893cj2390bf0a7560a7f2@mail.gmail.com> <179b97fb1002011424p4a799ff6t8f6b39e6f4b66828@mail.gmail.com> <4e6cba831002022320u2bd5f325m6564556a1abcf4c5@mail.gmail.com>
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On Wed, Feb 3, 2010 at 1:20 AM, Giovanni Trematerra <giovanni.trematerra@gmail.com> wrote: > On Mon, Feb 1, 2010 at 11:24 PM, Brandon Gooch > <jamesbrandongooch@gmail.com> wrote: >> On Mon, Feb 1, 2010 at 4:04 PM, Giovanni Trematerra >> <giovanni.trematerra@gmail.com> wrote: >>> On Fri, Jan 29, 2010 at 9:12 PM, Brandon Gooch >>> <jamesbrandongooch@gmail.com> wrote: >>>> On Fri, Jan 29, 2010 at 3:44 PM, Giovanni Trematerra >>>> <giovanni.trematerra@gmail.com> wrote: >>>>> On Thu, Jan 28, 2010 at 10:55 PM, Randall Stewart <rrs@lakerest.net> = wrote: >>>>>> I was running SCHED_ULE on an 8.0 and everything works >>>>>> fine. >>>>>> >>>>>> On my 2 core head of yesterday I tried both SCHED_ULE AND >>>>>> 4BSD.. and got the same results ;-0 >>>>>> >>>>>> I will try my 4 core when I get home ;-) >>>>>> >>>>>> R >>>>>> On Jan 28, 2010, at 11:15 AM, Gary Jennejohn wrote: >>>>>> >>>>>>> On Thu, 28 Jan 2010 10:30:37 -0800 >>>>>>> Randall Stewart <rrs@lakerest.net> wrote: >>>>>>> >>>>>>>> All: >>>>>>>> >>>>>>>> I just found a very strange thing with yesterdays head. >>>>>>>> >>>>>>>> The program >>>>>>>> >>>>>>>> http://www.freebsd.org/~rrs/my_thr.c >>>>>>>> >>>>>>>> I compile it: >>>>>>>> >>>>>>>> cc -g -o my_thr my_thr.c /usr/lib/libthr.a -lpthread >>>>>>>> >>>>> >>>>> Hi Randal, >>>>> I tried your code on an 8-core machine with a fresh head (i386) >>>>> I have no problems with both 4BSD and ULE scheduler. >>>>> I even upping the value of macro NUM_THREAD to 24 but I didn't notice >>>>> nothing strange. >>>>> >>>>> Have you got a chance to reproduce it on your machines? >>>>> >>>>> -- >>>>> Gianni >>>>> _______________________________________________ >>>>> freebsd-current@freebsd.org mailing list >>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-current >>>>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd= .org" >>>>> >>>> >>>> I ran it on my dual-core, 8-STABLE/ULE laptop. The very first time I >>>> ran it, I experienced the temporary "seizure". It took several more >>>> runs before I could get it to happen again. >>>> >>> >>> Hi Brandon, >>> which kind of processor your laptop has? AMD or Intel? >>> -- >>> Gianni >>> >> >> CPU: Intel(R) Core(TM)2 Duo CPU =A0 =A0 L7100 =A0@ 1.20GHz (1197.01-MHz = K8-class CPU) >> =A0Origin =3D "GenuineIntel" =A0Id =3D 0x6fb =A0Stepping =3D 11 >> =A0Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTR= R,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> >> =A0Features2=3D0xe3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR= ,PDCM> >> =A0AMD Features=3D0x20100800<SYSCALL,NX,LM> >> =A0AMD Features2=3D0x1<LAHF> >> =A0TSC: P-state invariant >> >> -Brandon >> > > Hi, all > I cannot reproduce the issue at least on 8.0-RELEASE. > Can you please update to r203414 and give it a try? > > Thank you. > > -- > Gianni > Just tried it again (a few times) at r203430, with similar results. -Brandon
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